| Bibliography |  Suggestions |
| 1 | Myhrman, D.W., Sumerian Administrative Documents dated in the reigns of the Second Dynasty of Ur from the Temple Archives of Nippur, The Babylonian Expedition of the University of Pennsylvania III/1, Philadelphia 1910 |
| 2 | Pettinato, G. - Waetzoldt, H., "Saatgut und Furchenabstand beim Getreidenbau", Festschrift Armas I. Salonen, S.Q.A. Anno 1975 Sexagenario DDD, Studia Orientalia 46, Amsterdam - Oxford 1975, pp. 259-290 |
| http://cdli.mpiwg-berlin.mpg.de/P105644 |
| http://oracc.museum.upenn.edu/epsd2/P105644 |
| http://www.penn.museum/collections/object.php?irn=585273 |
| http://www.ebl.lmu.de/fragmentarium/CBS.11189 |